@charset "UTF-8";
@mixin WH($width,$height){
  width: $width;
  height: $height;
}
@mixin position($pos,$top,$left,$zIn){
  position: $pos;
  top: $top;
  left: $left;
  z-index: $zIn;
}
@mixin flex{
  display: flex;
  justify-content: space-around;
}
$bianjie:1px solid #C7C7C7;
*{
  margin: 0;
  padding: 0;
  font-family: "宋体";
}
ul{
  list-style: none;
}
a{
  text-decoration: none;
}
a:hover{
  text-decoration: underline;
}
@mixin bottomSan($color){
  display: inline-block;
  @include WH(0,0);
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 6px solid $color;
}
@mixin topSan($color){
  display: inline-block;
  @include WH(0,0);
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-bottom: 6px solid $color;
}
@mixin leftSan($color){
  display: inline-block;
  @include WH(0,0);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-right: 6px solid $color;
}
@mixin rightSan($color){
  display: inline-block;
  @include WH(0,0);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 6px solid $color;
}